The stars were shining bright inside the Russellville High School cafeteria Tuesday night as students and teachers stayed late to show off their intellectual wares at the school district’s Science Fair.

* In environmental science: first place went to Sarah West — “Benthic Surveys in Coral Reefs”; second place to Jessi Pardue — “Water Quality of Galla Creek”; and third place to Brooke Morris — “Solar Water Disinfection.”

* In macro-biology: first place went to Jack Massey — “Effect of Water Type on Millet Productivity”; second place to Logan Kincaide — “The Effects of Carbonated Water on House Plants”; and third place to Alice Bewley — “Detergent and DNA.”

* In physics and engineering: first place went to Nicholas Blackard — “18 Wheeler Attachments to Reduce Wind Drag”; second place to Travis Ortling — “Hydro-power Turbine Design”; and third to Liam Pace — “Fan Pitch Verses Efficiency.”

* In microbiology: first place went to Andrea Kindrick — “Bacteria Growth on Restaurant Counters”; second to Juan Martinez — “Philobolus”; and third to Blaine Keeling — “Antibiotic Resistant Bacteria in a School and a Hospital.”

* In chemistry: first place went to Maliha Aniqa — “Iron-based Catalyst for Hydrogen Production”; second to Rob Jacobson — “Efficiency of Electrolysis for Hydrogen Production”; and third to Ben Griffin — “Ripening and Vitamin C Content in Oranges.”